Friedrich FSHW091, Руководство по обслуживанию и запасным частям

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114 PB
No. Malfunction
Name Display Method of Indoor Unit Display Method of Outdoor Unit A/C status Possible Causes
Dual‑8
Code
Display Indicator Display (During blinking,
ON 0.5s and OFF 0.5s) Indicator has 3 kinds of display status
and during blinking, ON 0.5s and
OFF 0.5s
Power
Indicator Cool
Indicator Heating
Indicator Yellow
Indicator Red
Indicator Green
Indicator
26 compressor
intermediate
frequence in
test state P3 during
blinking
ON and
0.25s and
OFF and
0.25s during
blinking
ON and
0.25s and
OFF and
0.25s Showing during middle cool‑
ing or middle heating test
27 overcurrent
protection of
phase current
for compres‑
sor P5 OFF 3s
and blink
15 times During cooling and drying op‑
eration, compressor will stop
while indoor fan will operate;
During heating operation,
the complete unit will stop
operation. Refer to the malfunction
analysis (IPM protection, loss
of synchronism protection
and overcurrent protection of
phase current for compres‑
sor).
28 charging
malfunction
of capacitor PU OFF 3s
and blink
17 times During cooling and drying op‑
eration, compressor will stop
while indoor fan will operate;
During heating operation, the
complete unit will stop Refer to the part three—charg‑
ing malfunction analysis of
capacitor
29 malfunction
of module
temperature
sensor circuit P7 OFF 3s
and blink
18 times
s During cooling and drying op‑
eration, compressor will stop
while indoor fan will operate;
During heating operation, the
complete unit will stop Replace outdoor control
panel AP1
30 module high
temperature
protection P8 OFF 3s
and blink
19 times
During cooling operation,
compressor will stop while
indoor fan will operate;
During heating operation, the
complete unit will stop After the complete unit is de‑
energized for 20mins, check
whether the thermal grease
on IPM Module of outdoor
control panel AP is sufficient
and whether the radiator is
inserted tightly. If no faults
found, replace control panel
AP1
31 decrease
frequency
due to high
temperature
resistant dur‑
ing heating
operation H0 OFF 3s
and blink
10 times
All loads operate normally,
while
operation frequency for
compressor is decreased Refer to the malfunction
analysis (overload, high
temperature resistant)
32 static dedust‑
ing protection H2 OFF 3s
and blink
twice
TROUBLESHOOTING
Diagnostic Codes